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std::future_status(3)	      C++ Standard Libary	 std::future_status(3)

NAME
       std::future_status - std::future_status

Synopsis
	  Defined in header <future>
	  enum class future_status {

	  ready,
	  timeout,		      (since C++11)
	  deferred

	  };

	  Specifies  state  of a future	as returned by wait_for	and wait_until
       functions of
	  std::future and std::shared_future.

	  Constant Explanation
	  deferred the shared state contains a deferred	function, so  the  re-
       sult will be
		   computed only when explicitly requested
	  ready	   the shared state is ready
	  timeout   the	 shared	 state	did  not become	ready before specified
       timeout duration	has
		   passed

See also
		     waits for the result, returns if it is not	available  for
       the specified
	  wait_for   timeout duration
		     (public member function of	std::future<T>)
		     waits  for	the result, returns if it is not available for
       the specified
	  wait_for   timeout duration
		     (public member function of	std::shared_future<T>)
		     waits for the result, returns if it is not	available  un-
       til specified time
	  wait_until point has been reached
		     (public member function of	std::future<T>)
		     waits  for	the result, returns if it is not available un-
       til specified time
	  wait_until point has been reached
		     (public member function of	std::shared_future<T>)

http://cppreference.com		  2022.07.31		 std::future_status(3)

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